Merge tag 'pull-request-2023-11-07' of https://gitlab.com/thuth/qemu into staging

* Fix s390x CPU reconfiguration information in the SCLP facility map
* Fix condition code problem in the CLC and LAALG instruction
* Fix ordering of the new s390x topology list entries
* Add some more files to the MAINTAINERS file
* Allow newer versions of Tesseract in the m68k nextcube test

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# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* tag 'pull-request-2023-11-07' of https://gitlab.com/thuth/qemu:
  target/s390x/cpu topology: Fix ordering and creation of TLEs
  tests/tcg/s390x: Test ADD LOGICAL WITH CARRY
  tests/tcg/s390x: Test LAALG with negative cc_src
  target/s390x: Fix LAALG not updating cc_src
  tests/tcg/s390x: Test CLC with inaccessible second operand
  target/s390x: Fix CLC corrupting cc_src
  target/s390x/cpu_models: Use 'first_cpu' in s390_get_feat_block()
  s390/sclp: fix SCLP facility map
  tests/avocado: Allow newer versions of tesseract in the nextcube test
  MAINTAINERS: Add artist.c to the hppa machine section
  MAINTAINERS: Add the virtio-gpu documentation to the corresponding section

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

2 files changed, 23 insertions, 5 deletions

diff --git a/target/s390x/tcg/insn-data.h.inc b/target/s390x/tcg/insn-data.h.inc
index 0bfd88d3c3..2f07f39d9c 100644
--- a/target/s390x/tcg/insn-data.h.inc
+++ b/target/s390x/tcg/insn-data.h.inc
@@ -442,7 +442,7 @@
     D(0xebe8, LAAG,    RSY_a, ILA, r3, a2, new, in2_r1, laa, adds64, MO_TEUQ)
 /* LOAD AND ADD LOGICAL */
     D(0xebfa, LAAL,    RSY_a, ILA, r3_32u, a2, new, in2_r1_32, laa, addu32, MO_TEUL)
-    D(0xebea, LAALG,   RSY_a, ILA, r3, a2, new, in2_r1, laa, addu64, MO_TEUQ)
+    D(0xebea, LAALG,   RSY_a, ILA, r3, a2, new, in2_r1, laa_addu64, addu64, MO_TEUQ)
 /* LOAD AND AND */
     D(0xebf4, LAN,     RSY_a, ILA, r3_32s, a2, new, in2_r1_32, lan, nz32, MO_TESL)
     D(0xebe4, LANG,    RSY_a, ILA, r3, a2, new, in2_r1, lan, nz64, MO_TEUQ)
diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c
index 4bae1509f5..62ab2be8b1 100644
--- a/target/s390x/tcg/translate.c
+++ b/target/s390x/tcg/translate.c
@@ -2007,6 +2007,7 @@ static DisasJumpType op_cksm(DisasContext *s, DisasOps *o)
 static DisasJumpType op_clc(DisasContext *s, DisasOps *o)
 {
     int l = get_field(s, l1);
+    TCGv_i64 src;
     TCGv_i32 vl;
     MemOp mop;
 
@@ -2016,9 +2017,11 @@ static DisasJumpType op_clc(DisasContext *s, DisasOps *o)
     case 4:
     case 8:
         mop = ctz32(l + 1) | MO_TE;
-        tcg_gen_qemu_ld_tl(cc_src, o->addr1, get_mem_index(s), mop);
+        /* Do not update cc_src yet: loading cc_dst may cause an exception. */
+        src = tcg_temp_new_i64();
+        tcg_gen_qemu_ld_tl(src, o->addr1, get_mem_index(s), mop);
         tcg_gen_qemu_ld_tl(cc_dst, o->in2, get_mem_index(s), mop);
-        gen_op_update2_cc_i64(s, CC_OP_LTUGTU_64, cc_src, cc_dst);
+        gen_op_update2_cc_i64(s, CC_OP_LTUGTU_64, src, cc_dst);
         return DISAS_NEXT;
     default:
         vl = tcg_constant_i32(l);
@@ -2674,17 +2677,32 @@ static DisasJumpType op_kxb(DisasContext *s, DisasOps *o)
     return DISAS_NEXT;
 }
 
-static DisasJumpType op_laa(DisasContext *s, DisasOps *o)
+static DisasJumpType help_laa(DisasContext *s, DisasOps *o, bool addu64)
 {
     /* The real output is indeed the original value in memory;
        recompute the addition for the computation of CC.  */
     tcg_gen_atomic_fetch_add_i64(o->in2, o->in2, o->in1, get_mem_index(s),
                                  s->insn->data | MO_ALIGN);
     /* However, we need to recompute the addition for setting CC.  */
-    tcg_gen_add_i64(o->out, o->in1, o->in2);
+    if (addu64) {
+        tcg_gen_movi_i64(cc_src, 0);
+        tcg_gen_add2_i64(o->out, cc_src, o->in1, cc_src, o->in2, cc_src);
+    } else {
+        tcg_gen_add_i64(o->out, o->in1, o->in2);
+    }
     return DISAS_NEXT;
 }
 
+static DisasJumpType op_laa(DisasContext *s, DisasOps *o)
+{
+    return help_laa(s, o, false);
+}
+
+static DisasJumpType op_laa_addu64(DisasContext *s, DisasOps *o)
+{
+    return help_laa(s, o, true);
+}
+
 static DisasJumpType op_lan(DisasContext *s, DisasOps *o)
 {
     /* The real output is indeed the original value in memory;